The people marketing it have absolutely no understanding of what they’re selling.

Has it ever been any different? Like, I’m not in tech, I build signs for a living, and the people selling our signs have no idea what they’re selling.

How involved was he in the making of any company he’s ‘involved’ in?

As a general rule, not very. Musk doesn’t create shit, he buys shit then profits off of other people’s work